Epson Equity 386/25 PLUS Boletim de apoio ao produto - Página 7
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Também para Epson Equity 386/25 PLUS: Manual de informações do produto (9 páginas)
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Q15.
How many internal device bays does the Equity 386/25 PLUS have and
will it support a full-height device?
A.
The Equity 386/25 PLUS has 2 half-height bays to support up to 2 half-
height devices. There is no room for a full-height device.
Q16.
How many wait states does the Equity 386/25 PLUS have?
A.
At 25MHz the system utilities a "0 wait state" architecture for memory
access and 0 wait states for ROM BIOS access on the motherboard. At
8MHz, memory and ROM BIOS access require 0 wait states: on the
expansion bus, all memory or device requests are 0 wait states. If
additional wait states are required, devices on the I/O channel hold the
READY signal low, thus wait states are generated until the device can
respond to the CPU.
Q17.
Are the wait states user selectable?
A.
No, the Equity 386/25 PLUS automatically inserts them when needed after
the command phase Of the processor clock cycle.
Q18.
How many jumpers are on the system board?
A.
There are fourteen (14) jumpers on the system board:
System Board:
Jumper 1: Enables input/output channel ready
Jumper 2: Base memory
Jumper 3: Base memory
Jumper 4: Extended memory
Jumper 5: Extended memory
Jumper 6: Extended memory
Jumper 7: Extended memory
Jumper 8: Extended memory
Jumper 9: Not used
Jumper 10: Enables/Disables build-in mouse
Jumper 11: Enables/Disables option card for mouse Jumper 12:
Enables/Disables color or mono option card
Jumper 13: Enables/Disables power-on password
Jumper 14: Enables/Disabies build-in VGA
PSB No: S-0125A
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